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You could verify your card support high speed (benchmark in ML menu), I saw some reports about some Komputerbays doesn't work as expected (<1000x).

I have Lexar 64gb 1000x and regardless of builds and settings (it can go 1-2MB/s up or down with settings like small hacks, fps override, etc. on/off, I have tried pretty much everything ) it is recording with 60MB/s +/-. Card is fine and I have reported it thru out the time but no one could tell why this is the case with my 5d mark II

Same here

I made clip for my friends containing only RAW footage thanks to a.d.build2013/07/19 5bad65ff8cb8. Still hoping for someone to help me with my only 60MB/s with 64gb 1000x Lexar card write speed and frequent crashes with anything like monitor or okii controller connected to the camera. Also have 6 corrupted clips out of 67 which can not be fixed (adding footer like advised on the forum make the conversion to dng possible but it is just pinkish mush) ALL were created while okii controller was plugged in camera on it's own recording bugs free.

I made clip for my friends containing only RAW footage thanks to a.d.build2013/07/19 5bad65ff8cb8. Still hoping for someone to help me with my only 60MB/s with 64gb 1000x Lexar card write speed and frequent crashes with anything like monitor or okii controller connected to the camera. Also have 6 corrupted clips out of 67 which can not be fixed (adding footer like advised on the forum make the conversion to dng possible but it is just pinkish mush) ALL were created while okii controller was plugged in. Camera on it's own recording bugs free.

this puzzles me, for you should have no problems recording Raw.
I wounder, what are your setting ?
Maybe there is something no set right of over looked .

these are my setting : Canon Menu
photo=small jpeg
Auto power off=OFF
LCD Brightness=manual
Movie rec. size=1920x1080 24p

ML Raw record module from june29 from A_D_ Hack built (the one with the disclamer)
ETTR=Off
FPS override = set to exact 24
in the Raw Video tab
i set previews to Auto or Hacked
recording frame=White rect
Small hacks= On

I have notice that on my Lexar 1000x 64 GB card i had to Brake in the Card like a pair of shoes
I did about 12 full card records  before it started to write at the proper speed ,
and the other thing that you may try is to set warmup card
or just write 200 frame at lower resolution then Start the Main record .
I hope that helps

edit:What is the Max Frame size you can record?
Don't be to concerned about the benchmark read write test,
It's the Frame size you need be concerned about.

Thanks for Your input. Max frame size is around 1880x800 as it records with speed close to 60MB/s.
What is more intresting regarding settings, I can turn on stuff like global draw, size of pictures to L, etc.(all the memory consuming settings) and the writing speed is also 59-60MB/s?!?

I also Have Lexar 16gb 400x card, and it is limited with my camera to 45MB/s... !?!

There is far from 42gb problem... The camera regardless of the settings: global draw OFF, manual lighting of live view, S picture size, etc... I saw it going crazy with stuff like monitor and OKII controller plugged in... And It is 60MB/s limited with 29.06 build regardless of settings of the camera... It is far from expected frames per second...

Hi, just to report 5D mark II,  new 64gb 1000x LEXAR card and just 60MB/s. I was reporting my low recording speeds to devs and they pointed out the memory. Now I have 227 malloc memory and still no improvement in recording speed( it improved with 29.06 build and small hack ON but it is still 15MB/s behind others who reported speed around 75MB/s) . I also want to report  crashes that occur very often with monitor plugged in and okii usb controller (I have crash logs but I do not know how to report it properly because the crash seems to appear accidently but it is memory involved) It was reported by the other 5D mark II users also. Hoping for help from 1% and ALEX who implemented memory improvement. You Guys are doing just amazing job!!! You need some kind off people empower Oscar!!! .  Just a question... Is it possible that shutter count has something to do with the recording speed?

"Would be nice to ..."

What's the problem? An error message doesn't start with "would be nice"

Knowing that You know makes me calm and hopeful again

Wanted to add to this discussion. I have 5d2 with two lexar cards: 16gb 400x and 64gb 1000x. My 16gb 400x card is reaching max 45MB/s and 64gb 1000x just topped the righting speed with 08 June build at 56 MB/s. I tried everything somewhere in the way I found out that custom mode in my camera will increase recording time till the buffers fills up ( but filling it up anyway, first stable setting was around 1880x706 which for 1000x card is very poor achievement I assume) but when I confronted it with other forum members it seemed like it worked only for those of us who only had bad righting speeds in the first place. For cameras which had writing speeds around 65MB/s and up, it does not have any effect which also can be some kind of hint. After few question asked and hours spent reading forum post I assume there is only so much that can be done regarding in camera settings to increase the buffer speeds and after reading A1EX post: "would be nice" != "hardware bug" I am starting to loose hope. Could any of devs or knowledgeable persons on this forum can confirm it for those of us with poor MB/s that this is only a random thing and 5d2 in different hands can perform totally different results and it is in now way quantifiable and nothing can be done about it???

I get no extra love from C modes... but there is a better reason to use them... easy safety net for your camera. You can clear out C modes much easier if there is a problem like constant error 70, etc.

Is there any chance You could share some settings, steps to free up some memory to maximize buffer MB/s? I saw that on the 5d3 topic about it You pointed out few hints.

No, thats edmac... try the one that shows 400+2000 or something like that.

Check in memory viewer and you'll see what happens.. its in debug menu, open it up.

You mean this one?

Yes i think you agree ! It's randomness...

Buffer size at the top does not show up randomlly, does it?

Am i doing sth wrong, when I go to a custom preset I can not switch on LV.
(never used custom presets before)

You have to go to canon menu and turn live view on.

For me it stays the same... but it was fast enough anyway.

That's funny, but it is also a hint!

Confirmed here ! I get twice the nr of frames now at unstable resolutions



funny enough i get about the same speed on my 8gb Sandisk 60mb/s

54mb/s average

Just hoping I forgot about something simple.

already spreading the word m8

Also started new topic in Raw discussion  

http://www.magiclantern.fm/forum/index.php?topic=6221.0

I thought everybody knew it but it appears that this is not the case. Also maybe You could help me I found it in search of perfect settings because I get only 55MB/s on my lexar 64gb 1000x card with everything turned off!?



Picture just to confirm my words, it appears not to work for everybody!

guess this is a new breakthrough just did a few tests now and i get double nr of frames on all resolutions that weren't stable for me

Happy for You and that I was useful. In this case maybe start a new topic for people to spread it around.

HA ! really interesting, in custum functions mode you get almost twice the buffer ! and now i get twice the number of frames at 1880x800

HA ! So it is not obvious for everybody. Yes You can do twice amount of the frames like in pravdomil's topic picture when he posted his build. 1% commented on it "I see all the buffer stars you got and I'm jealous " and I thought everybody knew how to do it. So now eveyone will get even more frames than me...

What build date are you using?

Now I use 04 june so the newest one, but I've been testing all avilable 5d mark II builds and my Lexar 16gb 400x is doing 40MB/s and new Lexar 64gb 1000x max is 55MB/s. I turned off all possible things and there is slight improvment but nowhere near 1880x800 not filling the buffer up.

I've done those two things. Also in my search for the "golden setting" I've noticed that when You change the main camera dial to either custom or automatic mode You will gain a few buffer stars but there might be some controls issues . Do not know is that an obvious thing for everybody.

1880x706 aspect ratio 2.67:1 frame rate 24.000

I have Lexar 64gb 1000x and I can't go over 55MB/s and it is 10MB/s less then normal. Is there any topic about how to set your 5d for the most MB/s possible? I turned draw off, only s size picture, no sound, etc.